Finding the Fourth Proportional to 2,802,890.70, 4,201,711.65 and 2,195,342.10
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Solution
The fourth proportional to 2,802,890.70, 4,201,711.65 and 2,195,342.10 is: 3,290,957.61
Step by Step Solution
- Step 1: Write the proportion equation
2,802,890.70 : 4,201,711.65 = 2,195,342.10 : x - Step 2: Convert to fraction form
2,802,890.70/4,201,711.65 = 2,195,342.10/x - Step 3: Cross multiply
2,802,890.70x = 4,201,711.65 × 2,195,342.10 - Step 4: Simplify right side
2,802,890.70x = 9,224,194,477,305.47 - Step 5: Solve for x
x = 9,224,194,477,305.47/2,802,890.70 - Step 6: Final answer
x = 3,290,957.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.